(function(doc,win){
	var docEl = doc.documentElement,
		resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
		recalc = function () {
			var clientWidth = docEl.clientWidth;
      console.log(clientWidth)
			if(!clientWidth) return;
			if(clientWidth>=750){
          var bgel = document.getElementsByClassName('app-wrp')[0]
          var button = document.querySelector('button.zm-btn')
          button.style.lineHeight = '0.9rem'
          bgel.style.top = '2560px'
          bgel.style.height = '1200px'
          docEl.style.fontSize = '100px'
			}else{
				docEl.style.fontSize = 100 * (clientWidth / 750) + 'px';
			}
		};
	if(!doc.addEventListener) return;
	win.addEventListener(resizeEvt, recalc, false);
	doc.addEventListener('DOMContentLoaded', recalc, false);
})(document, window);